Monitor



FIG. 1 is a front perspective view of a monitor showing our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a right view thereof; and,

FIG. 8 is a left view thereof.

Broken lines shown in the drawings illustrate portions of the monitorand form no part of the claimed design.

We claim the ornamental design for a monitor, as shown and described.